The questions people actually ask, answered without a sales pitch — including the ones where the honest answer is "don't buy windows".
Aluminium vs uPVC windows compared on cost, slimness, thermal performance, lifespan and looks — including wher…
Aluminium vs timber windows compared on cost, maintenance, lifespan, heritage suitability and thermal performa…
What U-value your replacement windows must achieve under Part L in 2026 — 1.4 W/m²K for an existing dwelling —…
Whether your replacement windows need trickle vents under Part F, what the equivalent area requirement means, …
When you need planning permission to replace windows: conservation areas, Article 4 directions, listed buildin…
What a FENSA certificate is, when you need one, what happens if your installer isn't registered, and how to fi…
Why aluminium windows get condensation, why old non-thermally-broken frames stream with water, and what actual…
What a thermal break is, why aluminium windows need one, and why pre-1990s aluminium windows stream with conde…
Aluminium windows typically last 30–50 years, with a 25-year finish guarantee. What actually wears out, and ho…
Are aluminium windows worth the extra 25–50% over uPVC? An honest look at when they are, when they aren't, and…
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